Claude Code v2.1.88 — Flicker-free rendering, PermissionDenied hooks & named subagents
| ● New release | March 31, 2026 |
Claude Code v2.1.88
6 changes · Covering v2.1.85 → v2.1.88
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Alt-screen flicker-free rendering
Set CLAUDE_CODE_NO_FLICKER=1 for smooth, flicker-free terminal output using alternate screen mode. A long-requested quality-of-life improvement.
🎯
Features
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PermissionDenied hook event
New hook fires when a tool call is denied — automate logging, notifications, or fallback flows |
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Named subagents in @ mention typeahead
Type @ and see your named subagents in the autocomplete — faster multi-agent workflows |
Conditional if field for hooks
Permission rule syntax — conditionally trigger hooks based on tool, path, or context |
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Improvements
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Thinking summaries off by default
The showThinkingSummaries setting now defaults to off — cleaner output, re-enable if you want the peek behind the curtain |
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PowerShell tool for Windows (opt-in preview)
Native PowerShell execution alongside Bash — Windows devs get first-class terminal support |
🖨️
Cheat Sheet Update
New print-friendly mode
Click the 🖨️ Print button in the header to switch to a B&W ink-saving theme for printing. Desktop only — save paper and toner when you need a physical copy.
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Pro Tip
Use CLAUDE_CODE_NO_FLICKER=1 in your shell profile for a permanently smooth experience. Combine with hooks' new if conditions to build permission-aware automation pipelines.
Auto-curated from the official changelog · cc.storyfox.cz · by @phasE89
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